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We present a novel approach to estimating physical properties of objects from video. Our approach consists of a physics engine and a correction estimator. Starting from the initial observed state, object behavior is simulated forward in…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Martin Link , Max Schwarz , Sven Behnke

Imitation learning (IL) has proven effective across a wide range of manipulation tasks. However, IL policies often struggle when faced with out-of-distribution observations; for instance, when the target object is in a previously unseen…

Robotics · Computer Science 2025-09-23 Yinlong Dai , Andre Keyser , Dylan P. Losey

Visual event perception tasks such as action localization have primarily focused on supervised learning settings under a static observer, i.e., the camera is static and cannot be controlled by an algorithm. They are often restricted by the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Shubham Trehan , Sathyanarayanan N. Aakur

We present the Moments in Time Dataset, a large-scale human-annotated collection of one million short videos corresponding to dynamic events unfolding within three seconds. Modeling the spatial-audio-temporal dynamics even for actions…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Mathew Monfort , Alex Andonian , Bolei Zhou , Kandan Ramakrishnan , Sarah Adel Bargal , Tom Yan , Lisa Brown , Quanfu Fan , Dan Gutfruend , Carl Vondrick , Aude Oliva

The goal of this work is to understand the way actions are performed in videos. That is, given a video, we aim to predict an adverb indicating a modification applied to the action (e.g. cut "finely"). We cast this problem as a regression…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Davide Moltisanti , Frank Keller , Hakan Bilen , Laura Sevilla-Lara

We propose an attention-based networks for transferring motions between arbitrary objects. Given a source image(s) and a driving video, our networks animate the subject in the source images according to the motion in the driving video. In…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Subin Jeon , Seonghyeon Nam , Seoung Wug Oh , Seon Joo Kim

Our work aims to obtain 3D reconstruction of hands and manipulated objects from monocular videos. Reconstructing hand-object manipulations holds a great potential for robotics and learning from human demonstrations. The supervised learning…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Yana Hasson , Gül Varol , Ivan Laptev , Cordelia Schmid

Objects in videos are typically characterized by continuous smooth motion. We exploit continuous smooth motion in three ways. 1) Improved accuracy by using object motion as an additional source of supervision, which we obtain by…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Xin Liu , Fatemeh Karimi Nejadasl , Jan C. van Gemert , Olaf Booij , Silvia L. Pintea

Video understanding is one of the most challenging topics in computer vision. In this paper, a four-stage video understanding pipeline is presented to simultaneously recognize all atomic actions and the single on-going activity in a video.…

Computer Vision and Pattern Recognition · Computer Science 2018-07-04 Ahmad Babaeian Jelodar , David Paulius , Yu Sun

Machine learning models of visual action recognition are typically trained and tested on data from specific situations where actions are associated with certain objects. It is an open question how action-object associations in the training…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Satoshi Tsutsui , Xizi Wang , Guangyuan Weng , Yayun Zhang , David Crandall , Chen Yu

This paper focuses on building object-centric representations for long-term action anticipation in videos. Our key motivation is that objects provide important cues to recognize and predict human-object interactions, especially when the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Ce Zhang , Changcheng Fu , Shijie Wang , Nakul Agarwal , Kwonjoon Lee , Chiho Choi , Chen Sun

Spatiotemporal action recognition deals with locating and classifying actions in videos. Motivated by the latest state-of-the-art real-time object detector You Only Watch Once (YOWO), we aim to modify its structure to increase action…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Shentong Mo , Xiaoqing Tan , Jingfei Xia , Pinxu Ren

A robot operating in a household makes observations of multiple objects as it moves around over the course of days or weeks. The objects may be moved by inhabitants, but not completely at random. The robot may be called upon later to…

Machine Learning · Computer Science 2022-08-02 Yilun Du , Tomas Lozano-Perez , Leslie Kaelbling

In this paper we address the problem of automatically discovering atomic actions in unsupervised manner from instructional videos, which are rarely annotated with atomic actions. We present an unsupervised approach to learn atomic actions…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 AJ Piergiovanni , Anelia Angelova , Michael S. Ryoo , Irfan Essa

Recognising actions in videos relies on labelled supervision during training, typically the start and end times of each action instance. This supervision is not only subjective, but also expensive to acquire. Weak video-level supervision…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Davide Moltisanti , Sanja Fidler , Dima Damen

In robotics, knowing the object states and recognizing the desired states are very important. Objects at different states would require different grasping. To achieve different states, different manipulations would be required, as well as…

Computer Vision and Pattern Recognition · Computer Science 2018-05-31 Rahul Paul

We seek to extract a temporally consistent 6D pose trajectory of a manipulated object from an Internet instructional video. This is a challenging set-up for current 6D pose estimation methods due to uncontrolled capturing conditions, subtle…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Georgy Ponimatkin , Martin Cífka , Tomáš Souček , Médéric Fourmy , Yann Labbé , Vladimir Petrik , Josef Sivic

Existing dense or paragraph video captioning approaches rely on holistic representations of videos, possibly coupled with learned object/action representations, to condition hierarchical language decoders. However, they fundamentally lack…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Shih-Han Chou , James J. Little , Leonid Sigal

The goal of this paper is to recognize actions in video without the need for examples. Different from traditional zero-shot approaches we do not demand the design and specification of attribute classifiers and class-to-attribute mappings to…

Computer Vision and Pattern Recognition · Computer Science 2015-10-26 Mihir Jain , Jan C. van Gemert , Thomas Mensink , Cees G. M. Snoek

Multi-person event recognition is a challenging task, often with many people active in the scene but only a small subset contributing to an actual event. In this paper, we propose a model which learns to detect events in such videos while…

Computer Vision and Pattern Recognition · Computer Science 2016-03-18 Vignesh Ramanathan , Jonathan Huang , Sami Abu-El-Haija , Alexander Gorban , Kevin Murphy , Li Fei-Fei